/**
* Action: sign out
*/
public function action_out()
{
// Remove from online list
Model_User_Online::factory(Session::instance()->id())->delete();
// Logout visitor
Visitor::instance()->logout();
Request::back();
}
/**
* Update current online user.
*
* @static
* @param Model_User $user
*/
public static function update($user)
{
$session_id = Session::instance()->id();
$online = Model_User_Online::factory($session_id);
if (!$online->loaded() && $session_id) {
$online->id = $session_id;
}
$online->user_id = $user ? $user->id : null;
$online->last_activity = time();
try {
$online->save();
} catch (Validation_Exception $e) {
} catch (Database_Exception $e) {
// Might happen if no session id set
}
}
